Locomotive-drive



S. RICKERING LOCOMOTIVE DRIVE. APPLICATION FILED SEPT. 27, 1920.

Patentd Feb. 8,1921.

3 SHEETS-SHEET S. PICKERING.

LOCOMOTWE DRIVE.

APPLICATION FILED SEPT- 27, I920- 1,367,714.. Patgnted Feb. 8, 1921.

3 SHEETS-SHEET 2.

- S. PICKERING.

LUCOMOTIVE DRIVE. APPLICATION min SEPT. 21. 1920.

1,367,714. Patented Feb. 8, 1921. 3 SHEETS-SHEET 3.

gnventoa SAMUEL PICKERING, OF BELLEVUE, wnsnmorouf LOCOMOTIVE-DRIVE.

Application filed September 27, 1920.

f '0 all to hem it may concern:

Be it known that l, SAMUEL PIGKERING, a citizen of the United States of America, and resident of the town of Bellevue, in the county of King and Eitate of Washington, have invented certain new and useful improvements in Locomotive-Drives, of which the following is a specification.

iilily invention relates to engines and driving): means therefor and particularly to engines in which the driving wheels are journalod in pivoted or swinging trucks.

it is an object of my invention to provide means for transmitting power to the driving wheels of a locomotive, and particularly to one of the class described, whereby flexible means are interposed between the steam cylinder and the truck in which the driven wheel is journalist lVith such a connection it is possible to journal the driving wheels fixedly in the swinging truck without making; allowance for lateral motion in their journals. I

it is another object of my invention to provide a, driving means for locomotives which will permit them the greatest amount of fleribility in rounding curves and which "ill still secure for them a positive and powerful drive.

invention comprises those novel parts and romloii'iations thereof which. are shown in accomnanyino' drawines. described in the ocification. and narticularly defined hy the claims terminating: the same.

In the accomoanying drawinojs I have shown my invention in a form which is now.

p eferred by me.

Fi ure 1 is an elevation of a. locomotive, illustrating my invention in connection therewith.

l i 2 is a plan view of a lo omotive frame with my invention installed thereon.

l i' 3 is an end elevation of a locomotive true I the en lne frame being shown in secti on. i

f is a. section on line 4.--& of Fig. 2.

'l." he locomotive frame 1 is supported upon two or more trucks 2. Preferably only two trucks are employed. These are pivoted in the locomotive frame at 21. The driving wheels are iournaled in the trucks 2. I have shown two driving wheels, one in each truck. More may be employed if desired, but for the smaller types of engines to which my invention is particularly applicable. four drivers on a side would be sufficient. lVhere only two drivers one side to each truck are Specification of Letters Patent.

Patented Feb. 8, 1921.

Serial No. 413,0?)8.

employed, I prefer that these be fixedly journaled in the truck, that is that they be so journaled that there is no relative motion between thewheels; or their axles, and the journals 23 in the truck.

The usual cylinder or cylinders 11 may be mounted upon the locomotive frame and power is transmitted, therefrom through the connecting rod 12. I prefer to connect the rod 12 on each side of the locomotive to a suitable crank disk 30, fixed upon the shaft 3 which extends transversely of the locomotive frame and upon which is secured a gear 31. .1 second gear 32 meshes with the gear 31, and is secured upon a shaft 33 extending transversely of the locomotive frame and parallel with the shaft 3. The shaft 3 ma y be omitted if desired. in whi h case the conneotino; rod 12 would be directly connected to the shaft 33, through a suitable crank or crank disk.

Upon the outer ends of the shaft 33 I pro vide crank disks 34lhaving wrist pins 35. These are connected to crank arms 36 through conne ting rods 37, through whi"h wheels upon the trucks are driven. The cranks 36 are used upon stub shafts 4. which are journaled in the locomotive frame 1. A corresponding stub shaft 4-) iournaled in the truck frame 2 at the side opposite its corresponding shaft 4:. Some suitable flexible connection is provided between the inner ends of the shafts land 40..

The connection which I have shown and whi h I have found suitable for the purposeconsists of a square or polygonal shaped bar 41 telescoping within a sleeve 42 having a hole therein adanted to receive the shaft ll. The shaft 41 and sleeve 42 are each connect-. ed by one end to the shaft 4 or e0 through-a universal coupling 44:. The shafts-O may he operetively connected to the wheels '22 in any suitable nanner as throuoh the crank the main rod 16 to one of the wheels 22 and a side rod 4-7 connecting the drive wheels which are journaled upon that side of the truck It will be seen that throueh the connec-.

tion described the driving wheels, while re maining fixedly iournaled in their trucks are yet connected'to a driving: means mounted upon the locomotive frame through a,

to the locomotive frame, while rounding curves. The universalcouplings l ltake up all variations in angular positions between the shafts at and 10, while the sleeve 42 and bar 41 take up all variations in distances between the ends of these shafts.

What I claim as my invention is:

1. In a locomotive having driving wheels journaled in swinging trucks, driving means for said wheels comprising an extensible and contractible member connecting one side of the main frame with th opposite side of the truck frame, and mounted to permit variation in its an ular position relative to said frames, means for transmitting power to that end of said extensible and contractible member which is journaled in the main frame, and power-transmitting means connecting its opposite end and the driven wheel.

2. In a locomotive having driving wheels j ournaled in swinging trucks, driving means for said wheels comprising a' telescoping shaft extending transversely'of the locomotive. said shaft being journaled by one end in the main frame and by its other end to the truck frame, power-transmitting means connecting the latter end of the shaft to the wheel, and means permitting variations of the angular position of the shaft between its two journals.

4-. in a locomotive having driving wheels journaled in swinging trucks, driving means for said wheels comprising a telescoping shaft extending transversely of the locomotivc. said shaft being journaled by one end in the main frame and by its other end to the truck frame, power-transmiting means connecting the latter end of the shaft to the wheel, and universal joints at each end of said shaft between its two journals.

I 5. In a locomotive having driving wheels j ournaled inswinging trucks, driving means for said wheels comprising a stub shaft journaled in the main frame, means for transmitting power thereto, a second stub shaft journaled opposite s id first stub shaft in the truck frame, power-transmitting means connecting said second stub shaft and the driven wheel. a telescoping shaft extending between said opposite stub shafts, and

universal joints interposed between and connecting each stub shaft with its respectively adjacent end of the telescoping shaft.

6. In a locomotive, swinging trucks, driving wheels fixedly journaled therein, and means for transmitting power to said wheel's including aflexible connection, ex-

tending transversely of the locomotive and connecting the main frame and the truck frame.

7. In a locomotive, swinging trucks, driving wheels fixedly journaled therein, and means for transmitting power to said wheels including an extensible and contractible member extending transversely of the locomotive and connecting the main frame and the truck frame.

8. In a locomotive having driving wheels j ournaled in swinging trucks, driving means for said wheels comprising a driven crank shaft journaled in and extending transversely of the main frame, a stub shaft also journaled in the main frame parallel to said crank shaft, aconnecting rod forming a driving connection between said shafts, a stub shaft journaled in the truck frame, drivingrmeans connecting said latter stub shaft and the wheels, and a flexible member extending transversely of the locomotive and connecting said stub shafts on the main frame and the truck frame.

9. In a locomotive, swinging trucks, driving wheels journaled therein, means operatively connecting the wheels upon each side of a truck, a flexible and extensible member connected at one end to drive the wheels upon one side of a truck, and journaled at its other end in the main frame at the side opposite its connection to the truck, and I means for transmitting power to-that end of said flexible and extensible member which is journaled in the main frame.

10. In a locomotive having driving wheels journaled in swinging trucks, means operatively connecting the wheels on each side of a truck, the wheels on opposite sides having independent driving connections, and driving means for each of said series of whee s comprising telescoping shaft journaled by one end in the main frame and by its. other end to the opposite side of the truck frame, and powerransmitting means connecting the latter end of the shaft to the wheel. 7 j

11. In a locomotive having driving wheels journ'aled in swinging trucks, a fireboxpositioned. along the central axis of the main frame, a main drive shaft receiving power,

Signed at Seattle, King county, Wa hington, this 22nd day of September, 1920.

SAMUEL PICKERING. 

